Telephone base



FIG. 1 is a top, front and right-side perspective view of a telephone base showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view of the telephone base, the left side being a mirror-image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view of the telephone base.

The broken lines showing the positioning of buttons and display are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a telephone base, as shown and described. 